/*----------------------------------------------------------------------------
 * Copyright (c) <2013-2015>, <Huawei Technologies Co., Ltd>
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *---------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
 * Notice of Export Control Law
 * ===============================================
 * Huawei LiteOS may be subject to applicable export control laws and regulations, which might
 * include those applicable to Huawei LiteOS of U.S. and the country in which you are located.
 * Import, export and usage of Huawei LiteOS in any manner by you shall be in compliance with such
 * applicable export control laws and regulations.
 *---------------------------------------------------------------------------*/

#include "los_config.h"
#if defined(LOSCFG_SHELL) && defined(LOSCFG_FS_PROC)

#include "los_typedef.h"
#include "shell.h"
#include "fs/fs.h"
#include "proc_fs.h"
#include "internal.h"
#include "inode/inode.h"
#include "string.h"
#include "stdlib.h"
#include "unistd.h"
#include "fcntl.h"
#include "sys/statfs.h"
#include "dirent.h"

#include "errno.h"
#include "stdio.h"

#include "shcmd.h"
#include "shell.h"

INT32 osShellCmdWriteProc(int argc, char **argv)
{
    INT32   i;
    INT32   swRet = OS_FAIL;
    CHAR    *pcPath;
    CHAR    *pcVal;
    UINT32  uwlen;
    struct proc_dir_entry *pHandle = NULL;

    if (argc == 3)
    {
        pcVal = argv[0];
        pcPath = argv[2];
        uwlen = strlen(pcVal) + 1;
        if (0 == strncmp(argv[1], ">>", 2))
        {
            pHandle = proc_open(pcPath, O_TRUNC);
            if (pHandle == NULL)
            {
                PRINT_ERR("No such file or directory\n");
                return -1;
            }

            swRet = proc_write(pHandle, pcVal, uwlen);
            if (swRet == -1)
            {
                (void)proc_close(pHandle);
                PRINT_ERR("write error\n");
                return -1;
            }
            for (i = 0; i < argc; i++)
            {
                PRINTK("%s%s", i > 0 ? " " : "", argv[i]);
            }
            PRINTK("\n");
            (void)proc_close(pHandle);
            return LOS_OK;
        }
    }
    PRINT_ERR("writeproc [data] [>>] [path]\n");
    return -1;
}

SHELLCMD_ENTRY(writeproc_shellcmd, CMD_TYPE_EX, "writeproc", XARGS, (CMD_CBK_FUNC)osShellCmdWriteProc); /*lint !e19*/
#endif
